they probably know a little bit about the difference, mainly because there is an extra layer of event channel in the middle of the publish-subscribe model, but where are the respective applications of the two? Can you give me some popular examples? ...
1. I set in main.js axios.defaults.withCredentials=true axios.defaults.crossDomain=true axios.defaults.headers.post[ Content-Type ] = application x-www-form-urlencoded when used by other components, once with parameters such as self.axios.post(...
data(){ return{ a:{ b:null } } }, computed(){ "a.b"(){ return ab } } ?...
after mongodb has designed the schema, it has been running normally for some time (data is already available). When you adjust the schema later, for example, to add a field and decrease a field, what to do with the original data? do you have to wash the ...
extract a number as a row from {success: true,data: [ "aPermian 92 ", "brece0 ", "cpence0 ", "dpjence43 ", "ePerce0 ", "fmeme80 ", "gpower0 ", "hgrade50 ", "jPower20 ", "kPower5 "]} . The page can only display 8 lines. For each additional line...
as shown below, the subcomponent code: <template> <div class="container"> <div :id="id" :option="option">< div> < div> < template> <script> import HighCharts from highcharts ...